Finding the Fourth Proportional to 283,579.08, 391,335.98 and 161,070.60
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Solution
The fourth proportional to 283,579.08, 391,335.98 and 161,070.60 is: 222,275.64
Step by Step Solution
- Step 1: Write the proportion equation
283,579.08 : 391,335.98 = 161,070.60 : x - Step 2: Convert to fraction form
283,579.08/391,335.98 = 161,070.60/x - Step 3: Cross multiply
283,579.08x = 391,335.98 × 161,070.60 - Step 4: Simplify right side
283,579.08x = 63,032,721,100.19 - Step 5: Solve for x
x = 63,032,721,100.19/283,579.08 - Step 6: Final answer
x = 222,275.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.